*,
*:before,
*:after {
  box-sizing: border-box;
}

body,
html {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #f4f4f4;
}

.widget {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 20px auto;
  padding: 20px;
  max-width: 600px;
  text-align: center;
}

.pre-rendered-at,
.cache-state,
.stale-after {
  font-size: 0.9em;
  color: #666;
  margin: 5px 0;
}

.cache-state.fresh {
  color: #4caf50;
}

.cache-state.stale {
  color: #f44336;
}

.revalidate-from {
  margin-top: 20px;
}

.revalidate-from-button {
  background-color: #008cba;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 10px 20px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.revalidate-from-button:hover {
  background-color: #005f73;
}

.revalidate-from-button:active {
  transform: translateY(2px);
}

.revalidate-from-button[aria-disabled='true'] {
  background-color: #ccc;
  cursor: not-allowed;
}

.footer,
.header {
  padding: 10px;
  position: relative;
  place-items: center;
  grid-auto-flow: column;
  bottom: 0;
  grid-gap: 20px;
  width: 100%;
  display: grid;
  justify-content: center;
}

.link {
  color: #09f;
  text-decoration: none;
  transition: color 0.3s ease;
}

.link:hover {
  color: #07c;
}

@media (max-width: 768px) {
  .widget {
    width: 90%;
    margin: 20px auto;
  }

  .footer {
    padding: 20px;
  }
}
